Improve the frontend (API v2 functionalities) (#18)

* Fix line number height issue

* Fix notification container position

* Remove line wrapping

* Switch to the new API

* Rework JS & implement paste editing

* Implement paste reports

* Document the report webhook

web/assets/js/modules/api.js

@@ -0,0 +1,57 @@
+const API_BASE_URL = location.protocol + "//" + location.host + "/api/v2";
+
+export async function getAPIInformation() {
+    return fetch(API_BASE_URL + "/info");
+}
+
+export async function getPaste(pasteID) {
+    return fetch(API_BASE_URL + "/pastes/" + pasteID);
+}
+
+export async function createPaste(content, metadata) {
+    return fetch(API_BASE_URL + "/pastes", {
+        method: "POST",
+        headers: {
+            "Content-Type": "application/json"
+        },
+        body: JSON.stringify({
+            content,
+            metadata
+        })
+    });
+}
+
+export async function editPaste(pasteID, modificationToken, content, metadata) {
+    return fetch(API_BASE_URL + "/pastes/" + pasteID, {
+        method: "PATCH",
+        headers: {
+            "Content-Type": "application/json",
+            "Authorization": "Bearer " + modificationToken,
+        },
+        body: JSON.stringify({
+            content,
+            metadata
+        })
+    });
+}
+
+export async function deletePaste(pasteID, modificationToken) {
+    return fetch(API_BASE_URL + "/pastes/" + pasteID, {
+        method: "DELETE",
+        headers: {
+            "Authorization": "Bearer " + modificationToken,
+        }
+    });
+}
+
+export async function reportPaste(pasteID, reason) {
+    return fetch(API_BASE_URL + "/pastes/" + pasteID + "/report", {
+        method: "POST",
+        headers: {
+            "Content-Type": "application/json",
+        },
+        body: JSON.stringify({
+            reason
+        })
+    });
+}