Sync with 'main'

* main: (118 commits)
  Revert "Update getting-started.md"
  Update getting-started.md
  changelog: add #442
  rustdoc: fix outdated links
  make build-doc: only build rustdoc in this command
  [ci] remove drone
  ci: double the build-and-test timeout
  [ci] download masp paramters
  [ci] improve automation tool, add pls spawn devnet command
  [ci] added dev documentation build, added rust doc build
  I removed the limitation.
  I removed the limitation.
  encoding_spec: rm ":" from fragment links in e.g. `ed25519::PublicKey`
  docs/dev: update encoding spec generation
  [fix] use fetch-depth: 0 on tag pipeline
  Namada 0.7.1
  fix spelling of 'features' in Cargo.toml
  realign cargo/wasm integrity
  changelog: add #278
  test: allow to sign and verify secp256k1
  client: add check on validator consensus key
  shared: optional secp256k1 signing and verification to avoid wasm bloat
  pick scheme for generating validator keys
  must use ed25519 for validator consensus key and node ID
  update rustdoc on PKH
  make fmt
  deps: enable secp256k1 in tendermint-rs
  handle secp256k1 in key_to_tendermint()
  fmt && clippy
  use heliaxdev/libsecp256k1 crate fork as dependency for now
  release: update release.toml for namada repo
  new test for zeroizing secp256k1 keys
  wrap libsecp256k1::SecretKey in a Box within SecretKey struct
  add a test to zeroize secp256k1
  fix bug in supplying args to test_genesis_validators()
  make validator_key_to_json() compatible with ed25519 and secp256k1 keys
  fix bug to prevent generating keys with common SchemeType
  fix bug where we were generating a key with common scheme
  make fmt
  fix unit test test_toml_roundtrip to supply good validator keys
  e2e test_genesis_validators(): make each validator have different key scheme
  fix some comments
  fix bug in supplying keypair to Tendermint
  clean and simplify code in id_from_pk()
  allow CL specification of a specific key scheme for the TxInitValidator
  improve write_tendermint_node_key() to produce the proper json given the underlying key scheme
  convert from common to underlying key type in id_from_pk() when constructing the TendermintNodeId
  change variable names in fns try_to_sk() and try_to_sig() to reduce confusion
  clean up code implementing Serialize/Deserialize, comment on certain implementations
  remove Result layering for id_from_pk
  drop 'Consensus' from SchemeType enum variants
  incorporate options into key generation functions
  command line options for specifying key scheme
  initial commit for supporting secp256k1 keys
  clean and simplify code in id_from_pk()
  allow CL specification of a specific key scheme for the TxInitValidator
  improve write_tendermint_node_key() to produce the proper json given the underlying key scheme
  convert from common to underlying key type in id_from_pk() when constructing the TendermintNodeId
  change variable names in fns try_to_sk() and try_to_sig() to reduce confusion
  clean up code implementing Serialize/Deserialize, comment on certain implementations
  remove Result layering for id_from_pk
  drop 'Consensus' from SchemeType enum variants
  make libsecp256k1 objects public when wrapped within our own Key and Sig objects
  remove clippy::bind_instead_of_map now that we will use wildcard
  incorporate options into key generation functions
  command line options for specifying key scheme
  initial commit for supporting secp256k1 keys
  changelog: add #277
  move zeroize test out of macro (also in advance of incorporating secp256k1)
  wrap SigningKey in a Box pointer when placing into SecretKey struct, test that memory is actually zeroized after dropping SecretKey
  changes to Cargo.toml and Cargo.lock from adding latest version of zeroize crate
  docs: update book's config branch, edit-url and repo links
  docs: add notes about the books
  doc/docs: s/anoma/namada
  re-add `dev` docs section
  update outer readme
  Replace anoma with namada in quickstart
  Update config files
  update links to user guide docs
  update relative paths in dev docs
  changelog: add #322
  docs: move and link to openAPI spec from Ledger RPC
  Apply suggestions from code review
  Storage key regexes should permit any UTF-8 string
  Add invalid storage key error response example
  Add example for getting an account's public key
  A key can contain any ASCII, not just alphabetical characters
  Add specs/openapi.yml
  Add changelog
  .gitignore: make some patterns relative to repo root
  Add changelog
  .gitignore: make some patterns relative to repo root
  change string to valid path
  Initial info on Secp256k1 keys and zeroizing secret keys
  crypto.md: add context for signatures
  crypto.md: remove outdated encoding descriptions
  crypto.md: remove references to closed issue
  Updates changelog
  Removes mention to clap version
  Fixes typos. Updates comment on `clap`
  ...

.changelog/unreleased/bug-fixes/419-fix-rustdoc.md

@@ -0,0 +1 @@
+- Fix the rustdoc build. ([#419](https://github.com/anoma/namada/issues/419))

.changelog/v0.7.1/docs/1070-pos-spec-updates.md

@@ -0,0 +1,2 @@
+- Applied various fixes and updates to the PoS system spec and integration spec
+  ([#1070](https://github.com/anoma/anoma/pull/1070))

.changelog/v0.7.1/docs/1143-update-libraries-docs.md

@@ -0,0 +1,2 @@
+- Fixes libraries doc typos and correct comment on the clap crate
+  ([#1143](https://github.com/anoma/anoma/pull/1143))

.changelog/v0.7.1/docs/322-openapi-spec.md

@@ -0,0 +1 @@
+- Added OpenAPI spec ([#322](https://github.com/anoma/namada/pull/322))

.changelog/v0.7.1/features/278-secp256k1-support.md

@@ -0,0 +1 @@
+- Added secp256k1 support ([#278](https://github.com/anoma/anoma/pull/278))

.changelog/v0.7.1/miscellaneous/1158-gitignore-anoma.md

@@ -0,0 +1,2 @@
+- Make some .gitignore patterns relative to repo root
+  ([#1158](https://github.com/anoma/anoma/pull/1158))

.changelog/v0.7.1/summary.md

@@ -0,0 +1,4 @@
+Namada 0.7.1 is a patch release of the Namada software, continuing the
+version numbering sequence previously used in the Anoma repository.
+There are few important user-facing changes, but this is the first
+tagged release in the Namada repository.