chore: update to stable release of 0.11

Merge branch 'main' into stable

feat!: remove unofficial `vim.snippet.add` api (close #8)

chore: final cleanup before release

feat(keymaps): add missing snippet keymaps

feat: v0.11 updates

ref: use new `vim.lsp.config` and `vim.lsp.enable` apis

feat: remove fzf

ref!: compatible with stable neovim (v0.10.3)

chore: rename typescript language server to avoid confusion

feat: update tree-sitter parser setup method

fix: run `vim.fs.root` on `FileType` event (fix #5)

chore: remove ripgrep option. It is default from 0.10

chore: code cleanup (fix #4)

fix: add modified flag to statusline