Added WiFi connection

losungepaper.ino

@@ -7,6 +7,10 @@
 
 Epd epd;
 
+// WiFi
+char wiFiSSID[] = "SSID";  // SSID of your network
+char wiFiPSK[] = "PRE-SHARED KEY";  //password of your WPA Network
+
 // style of the frame shown
 sFONT TITLE_FONT = Font20;
 char TITLE_TEXT[] = "Losung heute";
@@ -34,4 +38,5 @@ void setup() {
 }
 
 void loop() {
+  connectWiFi();
 }

wifi.ino

@@ -0,0 +1,15 @@
+#include <WiFi.h>
+
+void connectWiFi() {  // connect to the wifi with the above defined credentials
+  if(WiFi.status() == WL_CONNECTED) { return; }  // return if not connected
+  
+  Serial.println("Connecting to WiFi...");
+
+  WiFi.begin(wiFiSSID, wiFiPSK);
+  delay(5000);  // pause the program 5 secs to give time for connection
+  if(WiFi.status() != WL_CONNECTED) { return; }
+  Serial.printf("Connected to WiFi %s, got IP-Adress ", wiFiSSID);
+  Serial.println(WiFi.localIP());
+
+  return;
+}