Rename ast to parser

Signed-off-by: Marcel Müller <neikos@neikos.email>

src/ast/snapshots/nomo__ast__tests__check_invalid_action.snap

@@ -1,30 +0,0 @@
----
-source: src/ast/mod.rs
-expression: ast.to_report(input)
----
-error: Standlone action block
-  ╭▸ 
-1 │ {{ value }}
-  │    ━━━━━
-  │
-  ╰ help: If you want to output this expression, add a '=' to the block
-error: Standlone action block
-  ╭▸ 
-2 │         {{ value }}
-  │            ━━━━━
-  ╰ help: If you want to output this expression, add a '=' to the block
-error: Standlone action block
-  ╭▸ 
-3 │         {{ value }}
-  │            ━━━━━
-  ╰ help: If you want to output this expression, add a '=' to the block
-error: Standlone action block
-  ╭▸ 
-4 │         {{ value }}
-  │            ━━━━━
-  ╰ help: If you want to output this expression, add a '=' to the block
-error: Standlone action block
-  ╭▸ 
-5 │         {{ value }}
-  │            ━━━━━
-  ╰ help: If you want to output this expression, add a '=' to the block