Initial project setup: Clojure Kit web app for BTC price tracking

Kit framework with Undertow, Reitit routing, Hiccup + HTMX templating,
Tailwind CSS v4, PostgreSQL (empty database), and mobile-first index page.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

resources/css/input.css

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+@import "tailwindcss";
+@source "../../src/**/*.clj";

resources/migrations/placeholder.txt

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+Migration files go here.

resources/queries.sql

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+-- queries for btcprice
+-- Add HugSQL queries here as tables are created

resources/system.edn

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+{:system/env #profile {:dev :dev :test :test :prod :prod}
+
+ :server/http
+ {:port    #long #or [#env PORT 4000]
+  :host    #or [#env HTTP_HOST "0.0.0.0"]
+  :handler #ig/ref :handler/ring}
+
+ :handler/ring
+ {:router    #ig/ref :router/core
+  :api-path  "/api"
+  :site-defaults-config
+  {:params    {:keywordize true
+               :multipart  true
+               :nested     true}
+   :cookies   true
+   :session   {:flash        true
+               :cookie-attrs {:http-only true
+                              :same-site :strict}}
+   :security  {:anti-forgery   false
+               :xss-protection {:enable? true :mode :block}
+               :frame-options  :sameorigin}
+   :static    {:resources "public"}
+   :responses {:not-modified-responses true
+               :absolute-redirects     true
+               :content-types          true
+               :default-charset        "utf-8"}}}
+
+ :router/routes
+ {:routes #ig/refset :reitit/routes}
+
+ :router/core
+ {:routes #ig/ref :router/routes
+  :env    #ig/ref :system/env}
+
+ :db.sql/connection
+ #profile {:dev  {:jdbc-url "jdbc:postgresql://localhost:5432/btcprice?user=btcprice&password=btcprice"}
+           :test {:jdbc-url "jdbc:postgresql://localhost:5432/btcprice?user=btcprice&password=btcprice"}
+           :prod {:jdbc-url #env JDBC_URL
+                  :init-size     1
+                  :min-idle      1
+                  :max-idle      8
+                  :max-active    32}}
+
+ :db.sql/query-fn
+ {:conn        #ig/ref :db.sql/connection
+  :options     {}
+  :filename    "queries.sql"}
+
+ :db.sql/migrations
+ {:store            :database
+  :db               {:datasource #ig/ref :db.sql/connection}
+  :migrate-on-init? true}
+
+ :reitit.routes/api
+ {:base-path "/api"
+  :query-fn  #ig/ref :db.sql/query-fn}
+
+ :reitit.routes/ui
+ {:base-path ""
+  :query-fn  #ig/ref :db.sql/query-fn}}