feat: implement base autocomplete implementation for codemirror along with preRequest autocompletion

helpers/editor/completion/index.ts

@@ -0,0 +1,33 @@
+export type CompletionEntry = {
+  text: string
+  meta: string
+  score: number
+}
+
+export type CompleterResult = {
+  /**
+   * List of completions to display
+   */
+  completions: CompletionEntry[]
+  /**
+   * Start of the completion position
+   * (on completion the start..end region is replaced)
+   */
+  start: { line: number; ch: number }
+  /**
+   * End of the completion position
+   * (on completion the start..end region is replaced)
+   */
+  end: { line: number; ch: number }
+}
+
+export type Completer = (
+  /**
+   * The contents of the editor
+   */
+  text: string,
+  /**
+   * Position where the completer is fired
+   */
+  completePos: { line: number; ch: number }
+) => Promise<CompleterResult>