feat: add empresa and contatos

- Introduced a new utility function `maskCNPJ` for formatting CNPJ values.
- Updated the dashboard pages to replace icons and improve layout, including the addition of a link to manage companies.
- Enhanced the display of upcoming features for both the Licitações and Programas Esportivos modules, indicating their development status.

packages/backend/convex/schema.ts

@@ -12,6 +12,27 @@ export default defineSchema({
     text: v.string(),
     completed: v.boolean(),
   }),
+  empresas: defineTable({
+    nome: v.string(),
+    cnpj: v.string(),
+    telefone: v.string(),
+    email: v.string(),
+    descricao: v.optional(v.string()),
+    criadoPor: v.optional(v.id("usuarios")),
+  })
+    .index("by_nome", ["nome"])
+    .index("by_cnpj", ["cnpj"]),
+  contatosEmpresa: defineTable({
+    empresaId: v.id("empresas"),
+    nome: v.string(),
+    funcao: v.string(),
+    email: v.string(),
+    telefone: v.string(),
+    adicionadoPor: v.optional(v.id("usuarios")),
+    descricao: v.optional(v.string()),
+  })
+    .index("by_empresa", ["empresaId"])
+    .index("by_email", ["email"]),
   funcionarios: defineTable({
     // Campos obrigatórios existentes
     nome: v.string(),