Create tagging system (#792)

* Repro

* Fix

* Update signage

* Create tagging system

* Add tags to transaction imports

* Build tagging UI

* Cleanup

* More cleanup

app/javascript/controllers/deletion_controller.js

@@ -0,0 +1,30 @@
+import { Controller } from "@hotwired/stimulus";
+
+export default class extends Controller {
+  static targets = ["replacementField", "submitButton"]
+  static classes = [ "dangerousAction", "safeAction" ]
+  static values = {
+    submitTextWhenReplacing: String,
+    submitTextWhenNotReplacing: String
+  }
+
+  updateSubmitButton() {
+    if (this.replacementFieldTarget.value) {
+      this.submitButtonTarget.value = this.submitTextWhenReplacingValue
+      this.#markSafe()
+    } else {
+      this.submitButtonTarget.value = this.submitTextWhenNotReplacingValue
+      this.#markDangerous()
+    }
+  }
+
+  #markSafe() {
+    this.submitButtonTarget.classList.remove(...this.dangerousActionClasses)
+    this.submitButtonTarget.classList.add(...this.safeActionClasses)
+  }
+
+  #markDangerous() {
+    this.submitButtonTarget.classList.remove(...this.safeActionClasses)
+    this.submitButtonTarget.classList.add(...this.dangerousActionClasses)
+  }
+}