Added option to set custom greetings. Moved HomeHeader to separate file. Cleaned up README file

client/src/components/Settings/OtherSettings/OtherSettings.tsx

@@ -187,6 +187,21 @@ const OtherSettings = (props: ComponentProps): JSX.Element => {
           <option value={0}>False</option>
         </select>
       </InputGroup>
+      <InputGroup>
+        <label htmlFor="greetingsSchema">Custom greetings</label>
+        <input
+          type="text"
+          id="greetingsSchema"
+          name="greetingsSchema"
+          placeholder="Good day;Hi;Bye!"
+          value={formData.greetingsSchema}
+          onChange={(e) => inputChangeHandler(e)}
+        />
+        <span>
+          Greetings must be separated with semicolon. Only 4 messages can be
+          used
+        </span>
+      </InputGroup>
       <InputGroup>
         <label htmlFor="hideApps">Hide applications</label>
         <select