Add wiki page explaining how to run with Podman

Using-WireGuard-Easy-with-Podman.md

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+In order for WireGuard Easy to run in a container, it needs NET_RAW to be enabled. Docker enables it by default but Podman does not.
+
+# Run with Podman
+Add `--cap-add=NET_RAW` to the `podman run` command like so:
+```
+podman run -d \
+  --name=wg-easy \
+  -e WG_HOST=🚨YOUR_SERVER_IP \
+  -e PASSWORD=🚨YOUR_ADMIN_PASSWORD \
+  -v ~/.wg-easy:/etc/wireguard \
+  -p 51820:51820/udp \
+  -p 51821:51821/tcp \
+  --cap-add=NET_ADMIN \
+  --cap-add=SYS_MODULE \
+  --cap-add=NET_RAW \
+  --sysctl="net.ipv4.conf.all.src_valid_mark=1" \
+  --sysctl="net.ipv4.ip_forward=1" \
+  --restart unless-stopped \
+  weejewel/wg-easy
+```
+
+# Run with podman-compose
+Add `NET_RAW` to `the cap_add` list.
+
+```
+version: "3.8"
+services:
+  wg-easy:
+    environment:
+      # ⚠️ Required:
+      # Change this to your host's public address
+      - WG_HOST=raspberrypi.local
+
+      # Optional:
+      # - PASSWORD=foobar123
+      # - WG_PORT=51820
+      # - WG_DEFAULT_ADDRESS=10.8.0.x
+      # - WG_DEFAULT_DNS=1.1.1.1
+      # - WG_MTU=1420
+      # - WG_ALLOWED_IPS=192.168.15.0/24, 10.0.1.0/24
+      # - WG_PRE_UP=echo "Pre Up" > /etc/wireguard/pre-up.txt
+      # - WG_POST_UP=echo "Post Up" > /etc/wireguard/post-up.txt
+      # - WG_PRE_DOWN=echo "Pre Down" > /etc/wireguard/pre-down.txt
+      # - WG_POST_DOWN=echo "Post Down" > /etc/wireguard/post-down.txt
+      
+    image: weejewel/wg-easy
+    container_name: wg-easy
+    volumes:
+      - .:/etc/wireguard
+    ports:
+      - "51820:51820/udp"
+      - "51821:51821/tcp"
+    restart: unless-stopped
+    cap_add:
+      - NET_ADMIN
+      - NET_RAW
+      - SYS_MODULE
+    sysctls:
+      - net.ipv4.ip_forward=1
+      - net.ipv4.conf.all.src_valid_mark=1
+
+```