Fix spelling issues and add spelling dictionary

.github/data/project-dictionary.txt

@@ -0,0 +1,98 @@
+personal_ws-1.1 en 1000 utf-8
+Autosnippets
+Cfigure
+Cimg
+DeVries
+ECMAscript
+GIFs
+IDEs
+IndentSnippetNode
+LSP
+LaTeX
+Lua
+LuaRock
+LuaSnip
+LuaSnip's
+MiB
+MultiSnippet
+Neovim
+Neovim's
+PascalCase
+README
+SnipMate
+SnippetProxy
+TJ
+TextMate
+Treesitter
+UTF
+VSCode
+VSCode's
+Ziontee
+amongst
+anytext
+argnode
+argnodes
+autocommand
+autocommands
+autosnippets
+autotriggered
+backtick
+boolean
+choiceNode
+choiceNodes
+config
+configs
+counterintuitive
+customizability
+customizable
+datetime
+de
+deserialized
+docstring
+docstrings
+dynamicNode
+dynamicNode's
+dynamicNodes
+ejmastnak
+evesdropper
+extmark
+extmarks
+filetype
+filetypes
+fn
+functionNode
+functionNodes
+get's
+globals
+ing
+insertNode
+insertNodes
+jumpable
+jumplist
+keymaps
+luasnip
+multiline
+namespace
+namespaces
+panvimdoc
+plaintext
+pos
+postfix
+pre
+precompile
+predefining
+restoreNode
+restoreNodes
+runtime
+snippetNode
+snippetNodes
+submatches
+superset
+tabstop
+tabstops
+textNode
+textNodes
+th
+there'd
+truthy
+varargs