nvim: add missing treesitter-context file

.config/nvim/lua/plugins/treesitter-context.lua

@@ -0,0 +1,37 @@
+local config = require("treesitter-context")
+config.setup({
+	enable = true, -- Enable this plugin (Can be enabled/disabled later via commands)
+	max_lines = 0, -- How many lines the window should span. Values <= 0 mean no limit.
+	patterns = { -- Match patterns for TS nodes. These get wrapped to match at word boundaries.
+		-- For all filetypes
+		-- Note that setting an entry here replaces all other patterns for this entry.
+		-- By setting the 'default' entry below, you can control which nodes you want to
+		-- appear in the context window.
+		default = {
+			"class",
+			"function",
+			"method",
+			-- 'for', -- These won't appear in the context
+			-- 'while',
+			-- 'if',
+			-- 'switch',
+			-- 'case',
+		},
+		-- Example for a specific filetype.
+		-- If a pattern is missing, *open a PR* so everyone can benefit.
+		--   rust = {
+		--       'impl_item',
+		--   },
+	},
+	exact_patterns = {
+		-- Example for a specific filetype with Lua patterns
+		-- Treat patterns.rust as a Lua pattern (i.e "^impl_item$" will
+		-- exactly match "impl_item" only)
+		-- rust = true,
+	},
+
+	-- [!] The options below are exposed but shouldn't require your attention,
+	--     you can safely ignore them.
+
+	zindex = 20, -- The Z-index of the context window
+})