Required PyCharm enhancements

[iromeo]

Missing PyCharm features / api:

• Enhance control flow in PyCharm Enhance control flow in PyCharm #111
• Some API / CF fix for: Shadows built-in name input' inspection on lambda parameters 'Shadows built-in name input' inspection on lambda parameters #133
• PyCharm: make DocStringAnnotator.annotateDocStringStmt() public PyCharm: make DocStringAnnotator.annotateDocStringStmt() #113
• Highlighter ignores tokens remapped by filter, so adds highlighting where not needed (like in Do not highlight rule, checkpoint, subworkflow as keywords inside rule  #84), need to fix it in platform to enable highlighting using tokes set keywords contributor, not annotator.
• PyCharm: make com.jetbrains.python.parsing.ExpressionParsing#parseFormattedStringNode public PyCharm: make com.jetbrains.python.parsing.ExpressionParsing#parseFormattedStringNode public #139
• Make public CompletionVariantsProcessor.addElement() (see Smk CompletionVariantsProcessor) or allow to customize processor.execute(it, ResolveState.initial())
• Exception on opening raw files via URL Exception on opening raw files via URL #236
• Python scope crawler force all Named psi elements to by in autocompletion/resolve Python scope crawler force all Named psi elements to by in autocompletion/resolve #240
• PyDictKeyNamesCompletionContributor.createElement & insert handler or even EP
• Reference provider or resolve provider for numeric literals, e.g. for 0 in input[0]
• Extend PyResolveUtil.allowForwardReferences(node) for PyUnboundLocalVariableInspection::class.java. Our localrules and ruleorder are before rule declaration
• Make public PyInspectionsSuppressor#isSuppressedForElement. We reuse it for custom suppressor, see Suppress inspection doesn't work in some cases #313
• Use marker interface instead of PyStructuralType, see Expected collections.iterable but got output: false positive #317, Expected type Iterable (..), git input: instead #320, Expected a dictionary, got Rule rule_name #319
• PyStatementMoverAPI required, see Line mover action doesn't work properly for section args #174 impl