Feat: Peritext-like rich text support (#123)

* feat: richtext wip

* feat: add insert to style range map wip

* feat: richtext state

* fix: fix style state inserting and style map

* fix: tiny vec merge err

* fix: comment err

* refactor: use new generic-btree & refine impl

* feat: fugue tracker

* feat: tracker

* feat: tracker

* fix: fix a few err in impl

* feat: init richtext content state

* feat: refactor arena

* feat: extract anchor_type info out of style flag

* refactor: state apply op more efficiently
we can now reuse the repr in state and op

* fix: new clippy errors

* refactor: use state chunk as delta item

* refactor: use two op to insert style start and style end

* feat: diff calc

* feat: handler

* fix: tracker checkout err

* fix: pass basic richtext handler tests

* fix: pass handler basic marking tests

* fix: pass all peritext criteria

* feat: snapshot encoding for richtext init

* refactor: replace Text with Richtext

* refacotr: rm text code

* fix: richtext checkout err

* refactor: diff of text and map

* refactor: del span

* refactor: event

* fix: fuzz err

* fix: pass all tests

* fix: fuzz err

* fix: list child cache err

* chore: rm debug code

* fix: encode enhanced err

* fix: encode enchanced

* fix: fix several richtext issue

* fix: richtext anchor err

* chore: rm debug code

* fix: richtext fuzz err

* feat: speedup text snapshot decode

* perf: optimize snapshot encoding

* perf: speed up decode & insert

* fix: fugue span merge err

* perf: speedup delete & id cursor map

* fix: fugue merge err

* chore: update utils

* perf: speedup text insert / del

* fix: cursor cache

* perf: reduce conversion by introducing InsertText

* perf: speed up by refined cursor cache

* chore: update gbtree dep

* refactor(wasm): use quill delta format

* chore: fix warnings

.gitignore

@@ -6,4 +6,4 @@ target
 dhat-heap.json
 .DS_Store
 node_modules/
-.idea
+.idea/

.vscode/settings.json

@@ -17,11 +17,13 @@
     "RUSTFLAGS",
     "smstring",
     "thiserror",
+    "tinyvec",
     "txns",
+    "unbold",
     "yspan"
   ],
   "rust-analyzer.runnableEnv": {
-    "RUST_BACKTRACE": "full",
+    "RUST_BACKTRACE": "1",
     "DEBUG": "*"
   },
   "rust-analyzer.cargo.features": ["test_utils"],
@@ -43,5 +45,8 @@
   },
   "excalidraw.theme": "dark",
   "deno.enable": true,
-  "cortex-debug.variableUseNaturalFormat": true
+  "cortex-debug.variableUseNaturalFormat": true,
+  "[markdown]": {
+    "editor.defaultFormatter": "darkriszty.markdown-table-prettify"
+  }
 }