Add Gleam + Mist: first Gleam and BEAM VM entry

Adds Mist HTTP server for Gleam running on the BEAM (Erlang VM).
This is the first Gleam framework and first BEAM VM entry in HttpArena.

- Language: Gleam (compiles to Erlang bytecode)
- Runtime: BEAM (Erlang VM / OTP)
- HTTP: Mist (OTP process per connection)
- JSON: gleam_json
- SQLite: sqlight (NIF bindings)
- Compression: Erlang's built-in zlib

The BEAM's preemptive scheduling and per-process GC represents a
fundamentally different concurrency model than async/await or OS threads.

Author: BennyFranciscus

frameworks/gleam-mist/Dockerfile

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+FROM ghcr.io/gleam-lang/gleam:v1.8.0-erlang-alpine AS build
+RUN apk add --no-cache gcc musl-dev sqlite-dev
+WORKDIR /app
+COPY gleam.toml .
+RUN gleam deps download
+COPY src ./src
+RUN gleam export erlang-shipment
+
+FROM erlang:27-alpine
+RUN apk add --no-cache sqlite-libs
+WORKDIR /app
+COPY --from=build /app/build/erlang-shipment /app
+EXPOSE 8080
+CMD ["/app/entrypoint.sh", "run"]

frameworks/gleam-mist/README.md

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+# Gleam + Mist — BEAM VM HTTP Server
+
+[Mist](https://github.com/rawhat/mist) is a glistening HTTP server for the [Gleam](https://gleam.run/) programming language, running on the BEAM (Erlang VM).
+
+## Why it's interesting
+
+- **First Gleam framework** in HttpArena
+- **First BEAM VM entry** — adds a completely new runtime to the mix
+- Gleam compiles to Erlang bytecode and runs on the battle-tested BEAM VM
+- Mist uses OTP processes for concurrency — one lightweight process per connection
+- The BEAM's preemptive scheduling and per-process GC is a fundamentally different concurrency model than async/await or OS threads
+- Type-safe, functional language with exhaustive pattern matching
+
+## Stack
+
+- **Language:** Gleam
+- **Runtime:** BEAM (Erlang VM / OTP)
+- **HTTP server:** Mist
+- **JSON:** gleam_json
+- **SQLite:** sqlight (NIF bindings)
+- **Compression:** Erlang's built-in zlib

frameworks/gleam-mist/gleam.toml

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+name = "httparena_gleam_mist"
+version = "1.0.0"
+target = "erlang"
+
+[dependencies]
+gleam_stdlib = ">= 0.70.0 and < 1.0.0"
+gleam_http = ">= 4.3.0 and < 5.0.0"
+gleam_json = ">= 3.1.0 and < 4.0.0"
+gleam_erlang = ">= 1.0.0 and < 2.0.0"
+mist = ">= 6.0.0 and < 7.0.0"
+sqlight = ">= 1.0.3 and < 2.0.0"
+simplifile = ">= 2.0.0 and < 3.0.0"
+envoy = ">= 1.0.0 and < 2.0.0"
+logging = ">= 1.2.0 and < 2.0.0"

frameworks/gleam-mist/meta.json

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+{
+  "display_name": "gleam-mist",
+  "language": "Gleam",
+  "type": "framework",
+  "engine": "BEAM (Erlang VM)",
+  "description": "Mist HTTP server for Gleam on the BEAM VM — first Gleam and first BEAM entry in HttpArena.",
+  "repo": "https://github.com/rawhat/mist",
+  "enabled": true,
+  "tests": [
+    "baseline",
+    "noisy",
+    "pipelined",
+    "limited-conn",
+    "json",
+    "upload",
+    "compression",
+    "mixed"
+  ]
+}