More pirate weapon content(two new cannon ammo types, a musket and flintlock resprite and rebalance) (#23408)

* tally ho

* yarg

* forgot some shit

* Update projectiles.yml

* fucl

* glass ball

* Update snipers.yml

---------

Co-authored-by: Ed <96445749+TheShuEd@users.noreply.github.com>

Resources/Textures/Objects/Weapons/Guns/Ammunition/Explosives/explosives.rsi/meta.json

@@ -5,7 +5,7 @@
         "y": 32
     },
     "license": "CC-BY-SA-3.0",
-    "copyright": "https://github.com/discordia-space/CEV-Eris/raw/e1d495c3faf4642b6ec1c4be8acc7cd5bc51d785/icons/obj/ammo.dmi, ball Made by Alekshhh (Github) for ss14",
+    "copyright": "https://github.com/discordia-space/CEV-Eris/raw/e1d495c3faf4642b6ec1c4be8acc7cd5bc51d785/icons/obj/ammo.dmi, ball, glassshot and grapeshot Made by Alekshhh (Github) for ss14",
     "states": [
         {
             "name": "baton"
@@ -25,6 +25,12 @@
         {
             "name": "ball"
         },
+        {
+            "name": "grapeshot"
+        },
+        {
+            "name": "glassshot"
+        },
         {
             "name": "spent"
         }