feat/refacto: add configs.lua, setup install

- configs.lua holds the `repositories` data
- install health moved to health.lua
- plugins loads _root.setup() on startup
- install and list command are available through vim
> use them with `:TSInstall lang` and `:TSInstallInfo`

lua/nvim-treesitter/configs.lua

@@ -0,0 +1,88 @@
+local M = {}
+
+M.repositories = {
+  javascript = {
+    url = "https://github.com/tree-sitter/tree-sitter-javascript",
+    files = { "src/parser.c", "src/scanner.c" },
+  },
+  c = {
+    url = "https://github.com/tree-sitter/tree-sitter-c",
+    files = { "src/parser.c" }
+  },
+  cpp = {
+    url = "https://github.com/tree-sitter/tree-sitter-cpp",
+    files = { "src/parser.c", "src/scanner.cc" }
+  },
+  rust = {
+    url = "https://github.com/tree-sitter/tree-sitter-rust",
+    files = { "src/parser.c", "src/scanner.c" },
+  },
+  lua = {
+    url = "https://github.com/nvim-treesitter/tree-sitter-lua",
+    files = { "src/parser.c", "src/scanner.cc" }
+  },
+  python = {
+    url = "https://github.com/tree-sitter/tree-sitter-python",
+    files = { "src/parser.c", "src/scanner.cc" },
+  },
+  go = {
+    url = "https://github.com/tree-sitter/tree-sitter-go",
+    files = { "src/parser.c" },
+  },
+  ruby = {
+    url = "https://github.com/tree-sitter/tree-sitter-ruby",
+    files = { "src/parser.c", "src/scanner.cc" },
+  },
+  bash = {
+    url = "https://github.com/tree-sitter/tree-sitter-bash",
+    files = { "src/parser.c", "src/scanner.cc" },
+  },
+  php = {
+    url = "https://github.com/tree-sitter/tree-sitter-php",
+    files = { "src/parser.c", "src/scanner.cc" },
+  },
+  java = {
+    url = "https://github.com/tree-sitter/tree-sitter-java",
+    files = { "src/parser.c" },
+  },
+  html = {
+    url = "https://github.com/tree-sitter/tree-sitter-html",
+    files = { "src/parser.c", "src/scanner.cc" },
+  },
+  julia = {
+    url = "https://github.com/tree-sitter/tree-sitter-julia",
+    files = { "src/parser.c", "src/scanner.c" },
+  },
+  json = {
+    url = "https://github.com/tree-sitter/tree-sitter-json",
+    files = { "src/parser.c" },
+  },
+  css = {
+    url = "https://github.com/tree-sitter/tree-sitter-css",
+    files = { "src/parser.c", "src/scanner.c" },
+  },
+  ocaml = {
+    url = "https://github.com/tree-sitter/tree-sitter-ocaml",
+    files = { "src/parser.c", "src/scanner.cc" },
+  },
+  swift = {
+    url = "https://github.com/tree-sitter/tree-sitter-swift",
+    files = { "src/parser.c" },
+  },
+  csharp = {
+    url = "https://github.com/tree-sitter/tree-sitter-c-sharp",
+    files = { "src/parser.c", "src/scanner.c" },
+  },
+  typescript = {
+    url = "https://github.com/tree-sitter/tree-sitter-typescript",
+    files = { "src/parser.c", "src/scanner.c" },
+    location = "tree-sitter-typescript/typescript"
+  },
+  tsx = {
+    url = "https://github.com/tree-sitter/tree-sitter-typescript",
+    files = { "src/parser.c", "src/scanner.c" },
+    location = "tree-sitter-tsx/tsx"
+  }
+}
+
+return M