flarectl: add page (#8345)

* flarectl: add page

* Update pages/common/flarectl.md

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* Update pages/common/flarectl.md

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* Update flarectl.md

Fixing errors

* Update pages/common/flarectl.md

Co-authored-by: Emily Grace Seville <emilyseville7cf@gmail.com>

* Update pages/common/flarectl.md

Co-authored-by: CleanMachine1 <78213164+CleanMachine1@users.noreply.github.com>

* Update pages/common/flarectl.md

Co-authored-by: CleanMachine1 <78213164+CleanMachine1@users.noreply.github.com>

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Emily Grace Seville <emilyseville7cf@gmail.com>
Co-authored-by: CleanMachine1 <78213164+CleanMachine1@users.noreply.github.com>

pages/common/flarectl.md

@@ -0,0 +1,24 @@
+# flarectl
+
+> Official CLI for Cloudflare.
+> More information: <https://github.com/cloudflare/cloudflare-go/blob/master/cmd/flarectl/README.md>.
+
+- Block a specific IP:
+
+`flarectl firewall rules create --zone="{{example.com}}" --value="{{8.8.8.8}}" --mode="{{block}}" --notes="{{Block bad actor}}"`
+
+- Add a DNS record:
+
+`flarectl dns create --zone="{{example.com}}" --name="{{app}}" --type="{{CNAME}}" --content="{{myapp.herokuapp.com}}" --proxy`
+
+- List all Cloudflare IPv4/IPv6 ranges:
+
+`flarectl ips --ip-type {{ipv4|ipv6|all}}`
+
+- Create many new Cloudflare zones automatically with names from `domains.txt`:
+
+`for domain in $(cat {{domains.txt}}); do flarectl zone info --zone=$domain; done`
+
+- List all firewall rules:
+
+`flarectl firewall rules list`