App architecture modifications.

Now GUI and the app itself is divided into two different binaries.
The app also provides system tray icon.
Whereas the GUI can be used to configure the app.

gui/src/components/Footer.svelte

@@ -0,0 +1,73 @@
+<script>
+    import { invoke } from "@tauri-apps/api/tauri"
+
+    import { tg_official_link, github_repository_link } from "@/stores";
+
+    let current_year = new Date().getFullYear();
+    let author_name = "";
+
+    (async () => {
+        author_name = await invoke("get_author_name")
+        
+    })().catch(err => {
+        console.error(err);
+    });
+</script>
+
+<footer id="footer">
+    <p>© {current_year}. Автор проекта: {author_name}</p>
+    <p style="margin-top: 5px;margin-bottom: 15px;">
+        <a href="{tg_official_link}" target="_blank" class="special-link"><img src="/media/icons/howdy-logo.png" alt="" width="20px">&nbsp;&nbsp;Наш телеграм</a> канал.
+        &nbsp;&nbsp;
+        <a href="{github_repository_link}" target="_blank"><img src="/media/icons/github-logo.png" alt="" width="18px">&nbsp;Github репозиторий</a> проекта.</p>
+</footer>
+
+<style lang="scss">
+    #footer {
+        text-align: center;
+        color: #565759;
+        font-size: 12px;
+        font-weight: bold;
+        line-height: 1.7em;
+        margin-top: 15px;
+
+        p {
+            margin: 0;
+            padding: 0;
+        }
+
+        a {
+            color: #185876;
+            text-decoration: none;
+            transition: opacity .5s;
+
+            img {
+                opacity: .5;
+                transition: opacity .5s;
+                margin-top: -4px;
+            }
+
+            &:hover {
+                color: #2A9CD0;
+
+                img {
+                    opacity: 1;
+                }
+            }
+
+            &.special-link {
+                color: #941d92;
+                display: inline-block;
+
+                &:hover {
+                    color: #FF07FC;
+
+                    background: url(/media/images/bg/bg24.gif);
+                    background-repeat: no-repeat;
+                    background-size: contain;
+
+                }
+            }
+        }
+    }
+</style>