👷‍♂️ Remove DappTools support

Author: transmissions11

.dapprc

@@ -1,3 +1,2 @@
 *.sol linguist-language=Solidity
-.dapprc linguist-language=Shell
 .gas-snapshot linguist-language=Julia

.gas-snapshot

@@ -6,9 +6,8 @@ Describe the changes made in your pull request here.
 
 Ensure you completed **all of the steps** below before submitting your pull request:
 
-- [ ] Ran `dapp snapshot`?
+- [ ] Ran `forge snapshot`?
 - [ ] Ran `npm run lint`?
 - [ ] Ran `forge test`?
-- [ ] Ran `dapp test`?
 
 _Pull requests with an incomplete checklist will be thrown out._

.gitattributes

@@ -0,0 +1,26 @@
+name: Tests
+
+on: [push, pull_request]
+
+jobs:
+  forge-tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install Foundry
+        uses: onbjerg/foundry-toolchain@v1
+        with:
+          version: nightly
+
+      - name: Install dependencies
+        run: forge install
+
+      - name: Check gas snapshots
+        run: forge snapshot --check
+
+      - name: Run tests
+        run: forge test
+        env:
+          # Only fuzz intensely if we're running this action on a push to main or for a PR going into main:
+          FOUNDRY_PROFILE: ${{ (github.ref == 'refs/heads/main' || github.base_ref == 'main') && "intense" }}

.github/pull_request_template.md

@@ -4,7 +4,6 @@
   "solidity.compileUsingRemoteVersion": "v0.8.10",
   "search.exclude": { "lib": true },
   "files.associations": {
-    ".dapprc": "shellscript",
     ".gas-snapshot": "julia"
   }
 }

.github/workflows/dapp-tests.yml

@@ -41,12 +41,6 @@ We **do not give any warranties** and **will not be liable for any loss** incurr
 
 ## Installation
 
-To install with [**DappTools**](https://github.com/dapphub/dapptools):
-
-```sh
-dapp install rari-capital/solmate
-```
-
 To install with [**Foundry**](https://github.com/gakonst/foundry):
 
 ```sh