twrpme: Add Fairphone 4

Change-Id: I7032fcb21171b482e948b9bc105957f446df1120
diff --git a/_fairphone/fairphone4.markdown b/_fairphone/fairphone4.markdown
new file mode 100644
index 0000000..c9ac62d
--- /dev/null
+++ b/_fairphone/fairphone4.markdown
@@ -0,0 +1,26 @@
+---
+layout: device
+title:  "Fairphone 4"
+codename: FP4
+downloadfolder: FP4
+supportstatus: Current
+maintainer: z3ntu
+oem: Fairphone
+devicetree: https://github.com/TeamWin/android_device_fairphone_FP4
+---
+
+{% include disclaimer.html %}
+
+{% include supportstatus.html %}
+
+{% include avb.html %}
+
+{% include dynamicpartitions.html %}
+
+{% include download.html %}
+
+{% include twrpinstall.html %}
+
+{% include fastbootinstall.html %}
+
+{% include ddinstall.html %}