add lemon squeezy as payment provider (#246)

* add lemon squeezy checkout and webhook

* add lemonSqueezy customer portal url

* Update AccountPage.tsx

* add lemon squeezy total revenue function

* update app diff

* update app diff

* add LS docs

* Update PricingPage.tsx

* add unified payment processor

* unify customer portal url

* Update paymentProcessor.ts

* update paymentProcessor logic

* update app diff to use both payments processors

* Update contentSections.ts.diff

* finishing touches

* Update e2e-tests.yml

* remove lemonsqueezy from app diff

* Update webhook.ts

opensaas-sh/app_diff/src/server/scripts/dbSeeds.ts.diff

@@ -1,6 +1,12 @@
 --- template/app/src/server/scripts/dbSeeds.ts
 +++ opensaas-sh/app/src/server/scripts/dbSeeds.ts
-@@ -42,5 +42,8 @@
+@@ -38,10 +38,12 @@
+     sendNewsletter: false,
+     credits,
+     subscriptionStatus,
+-    lemonSqueezyCustomerPortalUrl: null,
+-    paymentProcessorUserId: hasUserPaidOnStripe ? `cus_test_${faker.string.uuid()}` : null,
++    stripeId: hasUserPaidOnStripe ? `cus_test_${faker.string.uuid()}` : null,
      datePaid: hasUserPaidOnStripe ? faker.date.between({ from: createdAt, to: lastActiveTimestamp }) : null,
      checkoutSessionId: hasUserPaidOnStripe ? `cs_test_${faker.string.uuid()}` : null,
      subscriptionPlan: subscriptionStatus ? faker.helpers.arrayElement(getSubscriptionPaymentPlanIds()) : null,