feat: add Resend integration for email verification and update package dependencies

- Integrated Resend for sending email verification upon user sign-up.
- Updated package.json to include Resend as a dependency.
- Enhanced authentication flow with error handling for email sending.
- Removed outdated Canvas Implementation Guide documentation.

pnpm-lock.yaml

@@ -53,6 +53,9 @@ importers:
       react-dom:
         specifier: 19.2.4
         version: 19.2.4(react@19.2.4)
+      resend:
+        specifier: ^4.8.0
+        version: 4.8.0(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
       shadcn:
         specifier: ^4.1.0
         version: 4.1.0(@types/node@20.19.37)(typescript@5.9.3)
@@ -1842,6 +1845,13 @@ packages:
     peerDependencies:
       react: ^18.0 || ^19.0 || ^19.0.0-rc
 
+  '@react-email/render@1.1.2':
+    resolution: {integrity: sha512-RnRehYN3v9gVlNMehHPHhyp2RQo7+pSkHDtXPvg3s0GbzM9SQMW4Qrf8GRNvtpLC4gsI+Wt0VatNRUFqjvevbw==}
+    engines: {node: '>=18.0.0'}
+    peerDependencies:
+      react: ^18.0 || ^19.0 || ^19.0.0-rc
+      react-dom: ^18.0 || ^19.0 || ^19.0.0-rc
+
   '@react-email/render@2.0.4':
     resolution: {integrity: sha512-kht2oTFQ1SwrLpd882ahTvUtNa9s53CERHstiTbzhm6aR2Hbykp/mQ4tpPvsBGkKAEvKRlDEoooh60Uk6nHK1g==}
     engines: {node: '>=20.0.0'}
@@ -3108,6 +3118,9 @@ packages:
     resolution: {integrity: sha512-hIS4idWWai69NezIdRt2xFVofaF4j+6INOpJlVOLDO8zXGpUVEVzIYk12UUi2JzjEzWL3IOAxcTubgz9Po0yXw==}
     engines: {node: '>= 18'}
 
+  fast-deep-equal@2.0.1:
+    resolution: {integrity: sha512-bCK/2Z4zLidyB4ReuIsvALH6w31YfAQDmXMqMx6FyfHqvBxtjC0eRumeSu4Bs3XtXwpyIywtSTrVT99BxY1f9w==}
+
   fast-deep-equal@3.1.3:
     resolution: {integrity: sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==}
 
@@ -4163,6 +4176,9 @@ packages:
   react-is@16.13.1:
     resolution: {integrity: sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==}
 
+  react-promise-suspense@0.3.4:
+    resolution: {integrity: sha512-I42jl7L3Ze6kZaq+7zXWSunBa3b1on5yfvUW6Eo/3fFOj6dZ5Bqmcd264nJbTK/gn1HjjILAjSwnZbV4RpSaNQ==}
+
   react-qr-code@2.0.18:
     resolution: {integrity: sha512-v1Jqz7urLMhkO6jkgJuBYhnqvXagzceg3qJUWayuCK/c6LTIonpWbwxR1f1APGd4xrW/QcQEovNrAojbUz65Tg==}
     peerDependencies:
@@ -4228,6 +4244,10 @@ packages:
     resolution: {integrity: sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==}
     engines: {node: '>=0.10.0'}
 
+  resend@4.8.0:
+    resolution: {integrity: sha512-R8eBOFQDO6dzRTDmaMEdpqrkmgSjPpVXt4nGfWsZdYOet0kqra0xgbvTES6HmCriZEXbmGk3e0DiGIaLFTFSHA==}
+    engines: {node: '>=18'}
+
   resolve-from@4.0.0:
     resolution: {integrity: sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==}
     engines: {node: '>=4'}
@@ -6582,6 +6602,14 @@ snapshots:
     dependencies:
       react: 19.2.4
 
+  '@react-email/render@1.1.2(react-dom@19.2.4(react@19.2.4))(react@19.2.4)':
+    dependencies:
+      html-to-text: 9.0.5
+      prettier: 3.8.1
+      react: 19.2.4
+      react-dom: 19.2.4(react@19.2.4)
+      react-promise-suspense: 0.3.4
+
   '@react-email/render@2.0.4(react-dom@19.2.4(react@19.2.4))(react@19.2.4)':
     dependencies:
       html-to-text: 9.0.5
@@ -7951,6 +7979,8 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  fast-deep-equal@2.0.1: {}
+
   fast-deep-equal@3.1.3: {}
 
   fast-glob@3.3.1:
@@ -8981,6 +9011,10 @@ snapshots:
 
   react-is@16.13.1: {}
 
+  react-promise-suspense@0.3.4:
+    dependencies:
+      fast-deep-equal: 2.0.1
+
   react-qr-code@2.0.18(react@19.2.4):
     dependencies:
       prop-types: 15.8.1
@@ -9052,6 +9086,13 @@ snapshots:
 
   require-from-string@2.0.2: {}
 
+  resend@4.8.0(react-dom@19.2.4(react@19.2.4))(react@19.2.4):
+    dependencies:
+      '@react-email/render': 1.1.2(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
+    transitivePeerDependencies:
+      - react
+      - react-dom
+
   resolve-from@4.0.0: {}
 
   resolve-pkg-maps@1.0.0: {}